world

Mount Everest is known as the highest mountain in the world.

(Chinese) 珠穆朗玛峰被公认为是世界上最高的山峰。

We need to protect the world's oceans from plastic pollution.

(Chinese) 我们需要保护地球上的海洋免受塑料污染。

In the world of professional sports, daily training is essential.

(Chinese) 在职业体育领域，日常训练是必不可少的。

The discovery of penicillin changed the world of medicine forever.

(Chinese) 青霉素的发现永远改变了医学界。